Methyl acetate

Modify Date: 2024-01-02 14:27:12

Methyl acetate Structure
Methyl acetate structure
 Common Name Methyl acetate
CAS Number 79-20-9 Molecular Weight 74.078
Density 0.9±0.1 g/cm3 Boiling Point 44.0±3.0 °C at 760 mmHg
Molecular Formula C3H6O2 Melting Point -98 °C
MSDS Chinese USA Flash Point -9.4±0.0 °C
Symbol GHS02 GHS07
GHS02, GHS07		 Signal Word Danger

 Names

Name methyl acetate
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.9±0.1 g/cm3
Boiling Point 44.0±3.0 °C at 760 mmHg
Melting Point -98 °C
Molecular Formula C3H6O2
Molecular Weight 74.078
Flash Point -9.4±0.0 °C
Exact Mass 74.036781
PSA 26.30000
LogP 0.18
Vapour density 2.55 (vs air)
Vapour Pressure 368.4±0.1 mmHg at 25°C
Index of Refraction 1.354
Storage condition Flammables area
Stability Stable. Extremely flammable - readily forms explosive mixtures with air. Note low flash point and wide explosion limits. Incompatible with strong oxidizing agents, strong bases, strong acids, nitrates. May be moisture sensitive.
Water Solubility 250 g/L (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
AI9100000
CHEMICAL NAME :
Acetic acid, methyl ester
CAS REGISTRY NUMBER :
79-20-9
LAST UPDATED :
199712
DATA ITEMS CITED :
49
MOLECULAR FORMULA :
C3-H6-O2
MOLECULAR WEIGHT :
74.09
WISWESSER LINE NOTATION :
1VO1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Human
DOSE/DURATION :
15000 mg/m3
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - cough Lungs, Thorax, or Respiration - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
32000 ppm/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
8 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
34 gm/m3/4H
TOXIC EFFECTS :
Behavioral - general anesthetic
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
67 gm/m3/1H
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Behavioral - convulsions or effect on seizure threshold Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
3 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
3705 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraduodenal
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
3700 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
3 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
214 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :
Sex chromosome loss and nondisjunction
TEST SYSTEM :
Yeast - Saccharomyces cerevisiae
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 149,339,1985 *** REVIEWS *** ACGIH TLV-STEL 757 mg/m3 (250 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 606 mg/m3 (200 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 TOXICOLOGY REVIEW AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 21,28,1960 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 200 ppm (610 mg/m3) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,153,1971 OSHA PEL (Gen Indu):8H TWA 200 ppm (610 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 200 ppm (610 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 200 ppm (610 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 200 ppm (610 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 200 ppm (610 mg/m3);STEL 250 ppm (760 mg/m3) JAN 1993 OEL-BELGIUM:TWA 200 ppm (610 mg/m3);STEL 250 ppm (760 mg/m3) JAN 1993 OEL-DENMARK:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-FINLAND:TWA 200 ppm (610 mg/m3);STEL 250 ppm (765 mg/m3) JAN 1993 OEL-FRANCE:TWA 200 ppm (610 mg/m3);STEL 250 ppm (760 mg/m3) JAN 1993 OEL-GERMANY:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-HUNGARY:TWA 200 mg/m3;STEL 500 mg/m3;Skin JAN 1993 OEL-JAPAN:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-POLAND:TWA 100 mg/m3 JAN 1993 OEL-RUSSIA:TWA 200 ppm;STEL 100 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 200 ppm (610 mg/m3);STEL 400 ppm JAN 1993 OEL-TURKEY:TWA 200 ppm (610 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 200 ppm (610 mg/m3);STEL 250 ppm JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO METHYL ACETATE-air:10H TWA 200 ppm;STEL 250 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 46410 No. of Facilities: 1604 (estimated) No. of Industries: 26 No. of Occupations: 22 No. of Employees: 5611 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 46410 No. of Facilities: 387 (estimated) No. of Industries: 15 No. of Occupations: 31 No. of Employees: 20455 (estimated) No. of Female Employees: 6018 (estimated)

 Safety Information

Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Danger
Hazard Statements H225-H319-H336
Supplemental HS Repeated exposure may cause skin dryness or cracking.
Precautionary Statements P210-P280-P304 + P340 + P312-P305 + P351 + P338-P337 + P313-P403 + P235
Personal Protective Equipment Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)
Hazard Codes F:Flammable
Risk Phrases R11;R36;R66;R67
Safety Phrases S16-S26-S29-S33
RIDADR UN 1231 3/PG 2
WGK Germany 1
RTECS AI9100000
Packaging Group II
Hazard Class 3

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 Synonyms

methyl ortho-acetate
1-yl-acetic acid,methyl ester
acetic acid trimethyl ester
Methyl ethanoate
Devoton
Methyl acetic ester
MFCD00008711
EINECS 201-185-2
Tereton
Methylacetat
Acetic acid,methyl ester
Methylacetaat
Methyl acetate
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Chemsrc provides Methyl acetate(CAS#:79-20-9) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Methyl acetate are included as well.>> amp version: Methyl acetate

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